At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs. Mosasaurs had long bodies and were related to both snakes and monitor lizards.

A South Dakota hiker’s chance encounter with a fossilized row of teeth jutting from parched soil has unveiled a ...

Add Yahoo as a preferred source to see more of our stories on Google. A paleontologist holds a megalodon fossil tooth. Kristen Grace/FLMNH, CC BY-SA The ratios of strontium isotopes in fossil shark ...

The “world’s oldest octopus” was actually a 300-million-year-old fossil impostor hiding its secret in tiny teeth.

Baby dinosaurs were likely fed more nutritious food than their adult counterparts, a finding that could offer insights into their social evolution, suggests a new study. Paleontologists uncovered this ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A man has shared a photo of an animal tooth his wife found in her ...

A Florida family made the find of a lifetime when they unearthed a 6.5-inch megalodon tooth near Charleston, South Carolina, earlier this month. Paul Columbia and his family of four from Largo, ...